How to preview local images using pure JS _ javascript tips-js tutorial

This article mainly introduces how to implement local image preview using pure JS. The local image preview function based on the javascript plug-in has some reference value, for more information about how to preview local images, see examples in this article. Share it with you for your reference. The details are as follows:

I suddenly saw a lot of similar code on the Internet, but I didn't find a suitable one. I wrote one of my previous ones. The code is concise. I referenced a previously written js. method that can be separated and used separately. It is not tested to be compatible. Local browsers are basically supported (IE, FF, Chrome)

Index.html is as follows:

Test